245305343201224 has 8 divisors (see below), whose sum is σ = 459947518502310. Its totient is φ = 122652671600608.

The previous prime is 245305343201189. The next prime is 245305343201267. The reversal of 245305343201224 is 422102343503542.

It can be written as a sum of positive squares in only one way, i.e., 175383670562500 + 69921672638724 = 13243250^2 + 8361918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×245305343201224² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15331583950069 + ... + 15331583950084.

Almost surely, 2^{245305343201224} is an apocalyptic number.

It is an amenable number.

245305343201224 is a deficient number, since it is larger than the sum of its proper divisors (214642175301086).

245305343201224 is a wasteful number, since it uses less digits than its factorization.

245305343201224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30663167900159 (or 30663167900155 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 245305343201224 its reverse (422102343503542), we get a palindrome (667407686704766).

The spelling of 245305343201224 in words is "two hundred forty-five trillion, three hundred five billion, three hundred forty-three million, two hundred one thousand, two hundred twenty-four".